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urban-explorer
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I think refresh time was fixed.

master
Tomasz Półgrabia 2016-10-02 19:57:19 +02:00
parent f52a6e7a9a
commit c2f7c563cb
3 changed files with 82 additions and 2 deletions
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18
app/src/main/java/pl/tpolgrabia/urbanexplorer/MainActivity.java
View File

@ -4,6 +4,7 @@ import android.app.ProgressDialog;
import android.content.Intent;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.Looper;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
@ -106,7 +107,7 @@ public class MainActivity extends ActionBarActivity {
swipeHandler = new SwipeHandler(this);
gestureDetector = new GestureDetectorCompat(this, swipeHandler);
locationCallback = new StandardLocationListener();
locationCallback = new StandardLocationListener(this);
// init fragments
MainActivityState fragId = savedInstanceState != null
@ -300,14 +301,27 @@ public class MainActivity extends ActionBarActivity {
lg.debug("Selected location provider {} is available", locationProvider);
final Long updateTime = HelperUtils.fetchGpsUpdateFreq(this);
lg.debug("Update time: {}", updateTime);
if (locationProvider != null) {
lg.debug("Requesting location updates");
LocationManager locationService = (LocationManager)getSystemService(LOCATION_SERVICE);
locationService.requestLocationUpdates(locationProvider,
HelperUtils.fetchGpsUpdateFreq(this),
updateTime,
HelperUtils.fetchGpsDistanceFreq(this),
locationCallback);
locationServicesActivated = true;
final Long lastLocationUpdateTime = LocationUtils.getLastLocationUpdate(this);
lg.debug("Last location update time: {}", lastLocationUpdateTime);
final long now = System.currentTimeMillis();
lg.debug("Now: {}", now);
final long lastLocationUpdateTimeAgo = now - lastLocationUpdateTime;
lg.debug("Last location update was {} ms ago", lastLocationUpdateTimeAgo);
if (lastLocationUpdateTime < 0 || lastLocationUpdateTimeAgo >= updateTime) {
lg.info("Last location update time exceeded. Requesting single update...");
locationService.requestSingleUpdate(locationProvider, locationCallback, Looper.getMainLooper());
}
}
savedConfiguration = false;

11
app/src/main/java/pl/tpolgrabia/urbanexplorer/callbacks/StandardLocationListener.java
View File

@ -1,12 +1,15 @@
package pl.tpolgrabia.urbanexplorer.callbacks;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.os.Bundle;
import android.widget.Toast;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import pl.tpolgrabia.panoramiobindings.callback.ProviderStatusCallback;
import pl.tpolgrabia.urbanexplorerutils.callbacks.StandardLocationListenerCallback;
import pl.tpolgrabia.urbanexplorerutils.utils.LocationUtils;
import java.util.ArrayList;
import java.util.List;
@ -16,21 +19,29 @@ import java.util.List;
*/
public class StandardLocationListener implements LocationListener {
private static final Logger lg = LoggerFactory.getLogger(StandardLocationListener.class);
private final Context ctx;
private List<StandardLocationListenerCallback> locationChangedCallbacks = new ArrayList<>();
private List<ProviderStatusCallback>
providerStatusCallbacks = new ArrayList<>();
public StandardLocationListener(Context ctx) {
this.ctx = ctx;
}
@Override
public void onLocationChanged(Location location) {
lg.info("Location provider changed: {}", location);
for (StandardLocationListenerCallback callback : locationChangedCallbacks) {
callback.callback(location);
}
Toast.makeText(ctx, "Location changed " + location, Toast.LENGTH_LONG).show();
LocationUtils.updateLastLocationUPdate(ctx);
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
lg.debug("Location provider {} status has changed to {} with {}", provider, status, extras);
Toast.makeText(ctx, "Location provider " + provider + " status changed to " + status, Toast.LENGTH_LONG).show();
}
@Override

55
urbanexplorerutils/src/main/java/pl/tpolgrabia/urbanexplorerutils/utils/LocationUtils.java
View File

@ -6,12 +6,16 @@ import android.location.LocationManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
/**
* Created by tpolgrabia on 28.08.16.
*/
public class LocationUtils {
private static final Logger lg = LoggerFactory.getLogger(LocationUtils.class);
public static final String LOCATION_UPDATE_TIME_CACHE = "location-cache.dat";
public static String getDefaultLocation(Context ctx) {
if (ctx == null) {
@ -46,4 +50,55 @@ public class LocationUtils {
return NetUtils.getSystemService(ctx).getLastKnownLocation(locationProvider);
}
public static void updateLastLocationUPdate(Context ctx) {
File f = new File(ctx.getCacheDir(), LOCATION_UPDATE_TIME_CACHE);
BufferedWriter bw = null;
try {
bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(f, false)));
bw.write("" + System.currentTimeMillis());
} catch (FileNotFoundException e) {
lg.error("File cannot be found", e);
} catch (IOException e) {
lg.error("Error during writing to file", e);
} finally {
if (bw != null) {
try {
bw.close();
} catch (IOException e) {
lg.error("Error during writer closing", e);
}
}
}
}
public static Long getLastLocationUpdate(Context ctx) {
File f = new File(ctx.getCacheDir(), LOCATION_UPDATE_TIME_CACHE);
BufferedReader br = null;
try {
br = new BufferedReader(new InputStreamReader(new FileInputStream(f)));
StringBuilder sb = new StringBuilder();
String line;
while ((line = br.readLine()) != null) {
sb.append(line);
}
return Long.parseLong(sb.toString());
} catch (FileNotFoundException e) {
return Long.MIN_VALUE;
} catch (IOException e) {
lg.error("I/O error during reading last location update timestamp", e);
return Long.MIN_VALUE;
} catch (NumberFormatException e) {
lg.error("Wrong timestamp format", e);
return Long.MIN_VALUE;
} finally {
if (br != null) {
try {
br.close();
} catch (IOException e) {
lg.error("Cannot close reader", e);
}
}
}
}
}